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        <li class="chapter " data-level="1.1" data-path="../../">
            
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                    Introduction
            
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        <li class="chapter " data-level="1.2" data-path="tutorials/">
            
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                    快速上手
            
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        <li class="chapter " data-level="1.2.1" data-path="tutorials/TypeScript in 5 minutes.html">
            
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                    5分钟了解TypeScript
            
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        <li class="chapter " data-level="1.2.2" data-path="tutorials/ASP.NET Core.html">
            
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                    ASP.NET Core
            
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                    ASP.NET 4
            
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                    Gulp
            
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                    Knockout.js
            
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        <li class="chapter " data-level="1.2.6" data-path="tutorials/React & Webpack.html">
            
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                    React与webpack
            
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                    React
            
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                    Angular 2
            
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                    从JavaScript迁移到TypeScript
            
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                    手册
            
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                    基础类型
            
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                    变量声明
            
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                    接口
            
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                    类
            
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                    函数
            
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                    泛型
            
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                    枚举
            
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                    类型推论
            
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                    类型兼容性
            
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        <li class="chapter " data-level="1.3.10" data-path="Advanced Types.html">
            
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                    高级类型
            
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        <li class="chapter " data-level="1.3.11" data-path="Utilit Types.md">
            
                <span>
            
                    
                    实用工具类型
            
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                    Symbols
            
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        <li class="chapter " data-level="1.3.13" data-path="Iterators and Generators.html">
            
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                    Iterators 和 Generators
            
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                    模块
            
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        <li class="chapter " data-level="1.3.15" data-path="Namespaces.html">
            
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                    命名空间
            
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        <li class="chapter " data-level="1.3.16" data-path="Namespaces and Modules.html">
            
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                    命名空间和模块
            
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        <li class="chapter " data-level="1.3.17" data-path="Module Resolution.html">
            
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                    模块解析
            
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        <li class="chapter " data-level="1.3.18" data-path="Declaration Merging.html">
            
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                    声明合并
            
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                    书写.d.ts文件
            
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                    JSX
            
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        <li class="chapter " data-level="1.3.21" data-path="Decorators.html">
            
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                    Decorators
            
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        <li class="chapter active" data-level="1.3.22" data-path="Mixins.html">
            
                <a href="Mixins.html">
            
                    
                    混入
            
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        <li class="chapter " data-level="1.3.23" data-path="Triple-Slash Directives.html">
            
                <a href="Triple-Slash Directives.html">
            
                    
                    三斜线指令
            
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        <li class="chapter " data-level="1.3.24" data-path="Type Checking JavaScript Files.html">
            
                <a href="Type Checking JavaScript Files.html">
            
                    
                    JavaScript文件里的类型检查
            
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        <li class="chapter " data-level="1.4" data-path="declaration files/Introduction.html">
            
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                    如何书写声明文件
            
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        <li class="chapter " data-level="1.4.1" data-path="declaration files/Library Structures.html">
            
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                    结构
            
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        <li class="chapter " data-level="1.4.2" data-path="declaration files/Do's and Don'ts.html">
            
                <a href="declaration files/Do's and Don'ts.html">
            
                    
                    规范
            
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        <li class="chapter " data-level="1.4.3" data-path="declaration files/By Example.html">
            
                <a href="declaration files/By Example.html">
            
                    
                    举例
            
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        <li class="chapter " data-level="1.4.4" data-path="declaration files/Deep Dive.html">
            
                <a href="declaration files/Deep Dive.html">
            
                    
                    深入
            
                </a>
            

            
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        <li class="chapter " data-level="1.4.5" data-path="declaration files/Publishing.html">
            
                <a href="declaration files/Publishing.html">
            
                    
                    发布
            
                </a>
            

            
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        <li class="chapter " data-level="1.4.6" data-path="declaration files/Consumption.html">
            
                <a href="declaration files/Consumption.html">
            
                    
                    使用
            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.5" data-path="tsconfig.json.html">
            
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                    工程配置
            
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        <li class="chapter " data-level="1.5.1" data-path="tsconfig.json.html">
            
                <a href="tsconfig.json.html">
            
                    
                    tsconfig.json
            
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        <li class="chapter " data-level="1.5.2" data-path="Project References.html">
            
                <a href="Project References.html">
            
                    
                    工程引用
            
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        <li class="chapter " data-level="1.5.3" data-path="Typings for NPM Packages.html">
            
                <a href="Typings for NPM Packages.html">
            
                    
                    NPM包的类型
            
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        </li>
    
        <li class="chapter " data-level="1.5.4" data-path="Compiler Options.html">
            
                <a href="Compiler Options.html">
            
                    
                    编译选项
            
                </a>
            

            
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        <li class="chapter " data-level="1.5.5" data-path="Configuring Watch.html">
            
                <a href="Configuring Watch.html">
            
                    
                    配置 Watch
            
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        <li class="chapter " data-level="1.5.6" data-path="Compiler Options in MSBuild.html">
            
                <a href="Compiler Options in MSBuild.html">
            
                    
                    在MSBuild里使用编译选项
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.7" data-path="Integrating with Build Tools.html">
            
                <a href="Integrating with Build Tools.html">
            
                    
                    与其它构建工具整合
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.5.8" data-path="Nightly Builds.html">
            
                <a href="Nightly Builds.html">
            
                    
                    使用TypeScript的每日构建版本
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.6" data-path="../wiki/">
            
                <a href="../wiki/">
            
                    
                    Wiki
            
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        <li class="chapter " data-level="1.6.1" data-path="../wiki/this-in-TypeScript.html">
            
                <a href="../wiki/this-in-TypeScript.html">
            
                    
                    TypeScript里的this
            
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        <li class="chapter " data-level="1.6.2" data-path="../wiki/coding_guidelines.html">
            
                <a href="../wiki/coding_guidelines.html">
            
                    
                    编码规范
            
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        </li>
    
        <li class="chapter " data-level="1.6.3" data-path="../wiki/Common Errors.html">
            
                <a href="../wiki/Common Errors.html">
            
                    
                    常见编译错误
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.6.4" data-path="../wiki/TypeScript-Editor-Support.html">
            
                <a href="../wiki/TypeScript-Editor-Support.html">
            
                    
                    支持TypeScript的编辑器
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.6.5" data-path="../wiki/Using-TypeScript-With-ASP.NET-5.html">
            
                <a href="../wiki/Using-TypeScript-With-ASP.NET-5.html">
            
                    
                    结合ASP.NET v5使用TypeScript
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.6.6" data-path="../wiki/Architectural-Overview.html">
            
                <a href="../wiki/Architectural-Overview.html">
            
                    
                    架构概述
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.6.7" data-path="../wiki/Roadmap.html">
            
                <a href="../wiki/Roadmap.html">
            
                    
                    发展路线图
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.7" data-path="../release-notes/">
            
                <a href="../release-notes/">
            
                    
                    新增功能
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.7.1" data-path="../release-notes/TypeScript 3.1.html">
            
                <a href="../release-notes/TypeScript 3.1.html">
            
                    
                    TypeScript 3.1
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.2" data-path="../release-notes/TypeScript 3.0.html">
            
                <a href="../release-notes/TypeScript 3.0.html">
            
                    
                    TypeScript 3.0
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.3" data-path="../release-notes/TypeScript 2.9.html">
            
                <a href="../release-notes/TypeScript 2.9.html">
            
                    
                    TypeScript 2.9
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.4" data-path="../release-notes/TypeScript 2.8.html">
            
                <a href="../release-notes/TypeScript 2.8.html">
            
                    
                    TypeScript 2.8
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.5" data-path="../release-notes/TypeScript 2.7.html">
            
                <a href="../release-notes/TypeScript 2.7.html">
            
                    
                    TypeScript 2.7
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.6" data-path="../release-notes/TypeScript 2.6.html">
            
                <a href="../release-notes/TypeScript 2.6.html">
            
                    
                    TypeScript 2.6
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.7" data-path="../release-notes/TypeScript 2.5.html">
            
                <a href="../release-notes/TypeScript 2.5.html">
            
                    
                    TypeScript 2.5
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.8" data-path="../release-notes/TypeScript 2.4.html">
            
                <a href="../release-notes/TypeScript 2.4.html">
            
                    
                    TypeScript 2.4
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.9" data-path="../release-notes/TypeScript 2.3.html">
            
                <a href="../release-notes/TypeScript 2.3.html">
            
                    
                    TypeScript 2.3
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.10" data-path="../release-notes/TypeScript 2.2.html">
            
                <a href="../release-notes/TypeScript 2.2.html">
            
                    
                    TypeScript 2.2
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.11" data-path="../release-notes/TypeScript 2.1.html">
            
                <a href="../release-notes/TypeScript 2.1.html">
            
                    
                    TypeScript 2.1
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.12" data-path="../release-notes/TypeScript 2.0.html">
            
                <a href="../release-notes/TypeScript 2.0.html">
            
                    
                    TypeScript 2.0
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.13" data-path="../release-notes/TypeScript 1.8.html">
            
                <a href="../release-notes/TypeScript 1.8.html">
            
                    
                    TypeScript 1.8
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.14" data-path="../release-notes/TypeScript 1.7.html">
            
                <a href="../release-notes/TypeScript 1.7.html">
            
                    
                    TypeScript 1.7
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.15" data-path="../release-notes/TypeScript 1.6.html">
            
                <a href="../release-notes/TypeScript 1.6.html">
            
                    
                    TypeScript 1.6
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.16" data-path="../release-notes/TypeScript 1.5.html">
            
                <a href="../release-notes/TypeScript 1.5.html">
            
                    
                    TypeScript 1.5
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.17" data-path="../release-notes/TypeScript 1.4.html">
            
                <a href="../release-notes/TypeScript 1.4.html">
            
                    
                    TypeScript 1.4
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.18" data-path="../release-notes/TypeScript 1.3.html">
            
                <a href="../release-notes/TypeScript 1.3.html">
            
                    
                    TypeScript 1.3
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.7.19" data-path="../release-notes/TypeScript 1.1.html">
            
                <a href="../release-notes/TypeScript 1.1.html">
            
                    
                    TypeScript 1.1
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.8" data-path="../breaking-changes/breaking-changes.html">
            
                <a href="../breaking-changes/breaking-changes.html">
            
                    
                    Breaking Changes
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="1.8.1" data-path="../breaking-changes/TypeScript 2.4.html">
            
                <a href="../breaking-changes/TypeScript 2.4.html">
            
                    
                    TypeScript 2.4
            
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        </li>
    
        <li class="chapter " data-level="1.8.2" data-path="../breaking-changes/TypeScript 2.3.html">
            
                <a href="../breaking-changes/TypeScript 2.3.html">
            
                    
                    TypeScript 2.3
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.3" data-path="../breaking-changes/TypeScript 2.2.html">
            
                <a href="../breaking-changes/TypeScript 2.2.html">
            
                    
                    TypeScript 2.2
            
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        <li class="chapter " data-level="1.8.4" data-path="../breaking-changes/TypeScript 2.1.html">
            
                <a href="../breaking-changes/TypeScript 2.1.html">
            
                    
                    TypeScript 2.1
            
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        </li>
    
        <li class="chapter " data-level="1.8.5" data-path="../breaking-changes/TypeScript 2.0.html">
            
                <a href="../breaking-changes/TypeScript 2.0.html">
            
                    
                    TypeScript 2.0
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.6" data-path="../breaking-changes/TypeScript 1.8.html">
            
                <a href="../breaking-changes/TypeScript 1.8.html">
            
                    
                    TypeScript 1.8
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="1.8.7" data-path="../breaking-changes/TypeScript 1.7.html">
            
                <a href="../breaking-changes/TypeScript 1.7.html">
            
                    
                    TypeScript 1.7
            
                </a>
            

            
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        <li class="chapter " data-level="1.8.8" data-path="../breaking-changes/TypeScript 1.6.html">
            
                <a href="../breaking-changes/TypeScript 1.6.html">
            
                    
                    TypeScript 1.6
            
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        <li class="chapter " data-level="1.8.9" data-path="../breaking-changes/TypeScript 1.5.html">
            
                <a href="../breaking-changes/TypeScript 1.5.html">
            
                    
                    TypeScript 1.5
            
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                                <section class="normal markdown-section">
                                
                                <h1 id="&#x4ECB;&#x7ECD;">&#x4ECB;&#x7ECD;</h1>
<p>&#x9664;&#x4E86;&#x4F20;&#x7EDF;&#x7684;&#x9762;&#x5411;&#x5BF9;&#x8C61;&#x7EE7;&#x627F;&#x65B9;&#x5F0F;&#xFF0C;&#x8FD8;&#x6D41;&#x884C;&#x4E00;&#x79CD;&#x901A;&#x8FC7;&#x53EF;&#x91CD;&#x7528;&#x7EC4;&#x4EF6;&#x521B;&#x5EFA;&#x7C7B;&#x7684;&#x65B9;&#x5F0F;&#xFF0C;&#x5C31;&#x662F;&#x8054;&#x5408;&#x53E6;&#x4E00;&#x4E2A;&#x7B80;&#x5355;&#x7C7B;&#x7684;&#x4EE3;&#x7801;&#x3002;
&#x4F60;&#x53EF;&#x80FD;&#x5728;Scala&#x7B49;&#x8BED;&#x8A00;&#x91CC;&#x5BF9;mixins&#x53CA;&#x5176;&#x7279;&#x6027;&#x5DF2;&#x7ECF;&#x5F88;&#x719F;&#x6089;&#x4E86;&#xFF0C;&#x4F46;&#x5B83;&#x5728;JavaScript&#x4E2D;&#x4E5F;&#x662F;&#x5F88;&#x6D41;&#x884C;&#x7684;&#x3002;</p>
<h1 id="&#x6DF7;&#x5165;&#x793A;&#x4F8B;">&#x6DF7;&#x5165;&#x793A;&#x4F8B;</h1>
<p>&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x6F14;&#x793A;&#x4E86;&#x5982;&#x4F55;&#x5728;TypeScript&#x91CC;&#x4F7F;&#x7528;&#x6DF7;&#x5165;&#x3002;
&#x540E;&#x9762;&#x6211;&#x4EEC;&#x8FD8;&#x4F1A;&#x89E3;&#x91CA;&#x8FD9;&#x6BB5;&#x4EE3;&#x7801;&#x662F;&#x600E;&#x4E48;&#x5DE5;&#x4F5C;&#x7684;&#x3002;</p>
<pre><code class="lang-ts"><span class="hljs-comment">// Disposable Mixin</span>
<span class="hljs-keyword">class</span> Disposable {
    isDisposed: <span class="hljs-built_in">boolean</span>;
    dispose() {
        <span class="hljs-keyword">this</span>.isDisposed = <span class="hljs-literal">true</span>;
    }

}

<span class="hljs-comment">// Activatable Mixin</span>
<span class="hljs-keyword">class</span> Activatable {
    isActive: <span class="hljs-built_in">boolean</span>;
    activate() {
        <span class="hljs-keyword">this</span>.isActive = <span class="hljs-literal">true</span>;
    }
    deactivate() {
        <span class="hljs-keyword">this</span>.isActive = <span class="hljs-literal">false</span>;
    }
}

<span class="hljs-keyword">class</span> SmartObject <span class="hljs-keyword">implements</span> Disposable, Activatable {
    <span class="hljs-keyword">constructor</span>() {
        setInterval(() =&gt; <span class="hljs-built_in">console</span>.log(<span class="hljs-keyword">this</span>.isActive + <span class="hljs-string">&quot; : &quot;</span> + <span class="hljs-keyword">this</span>.isDisposed), <span class="hljs-number">500</span>);
    }

    interact() {
        <span class="hljs-keyword">this</span>.activate();
    }

    <span class="hljs-comment">// Disposable</span>
    isDisposed: <span class="hljs-built_in">boolean</span> = <span class="hljs-literal">false</span>;
    dispose: () =&gt; <span class="hljs-built_in">void</span>;
    <span class="hljs-comment">// Activatable</span>
    isActive: <span class="hljs-built_in">boolean</span> = <span class="hljs-literal">false</span>;
    activate: () =&gt; <span class="hljs-built_in">void</span>;
    deactivate: () =&gt; <span class="hljs-built_in">void</span>;
}
applyMixins(SmartObject, [Disposable, Activatable]);

<span class="hljs-keyword">let</span> smartObj = <span class="hljs-keyword">new</span> SmartObject();
setTimeout(() =&gt; smartObj.interact(), <span class="hljs-number">1000</span>);

<span class="hljs-comment">////////////////////////////////////////</span>
<span class="hljs-comment">// In your runtime library somewhere</span>
<span class="hljs-comment">////////////////////////////////////////</span>

<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">applyMixins</span>(<span class="hljs-params">derivedCtor: <span class="hljs-built_in">any</span>, baseCtors: <span class="hljs-built_in">any</span>[]</span>) </span>{
    baseCtors.forEach(baseCtor =&gt; {
        <span class="hljs-built_in">Object</span>.getOwnPropertyNames(baseCtor.prototype).forEach(name =&gt; {
            derivedCtor.prototype[name] = baseCtor.prototype[name];
        });
    });
}
</code></pre>
<h1 id="&#x7406;&#x89E3;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;">&#x7406;&#x89E3;&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;</h1>
<p>&#x4EE3;&#x7801;&#x91CC;&#x9996;&#x5148;&#x5B9A;&#x4E49;&#x4E86;&#x4E24;&#x4E2A;&#x7C7B;&#xFF0C;&#x5B83;&#x4EEC;&#x5C06;&#x505A;&#x4E3A;mixins&#x3002;
&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x6BCF;&#x4E2A;&#x7C7B;&#x90FD;&#x53EA;&#x5B9A;&#x4E49;&#x4E86;&#x4E00;&#x4E2A;&#x7279;&#x5B9A;&#x7684;&#x884C;&#x4E3A;&#x6216;&#x529F;&#x80FD;&#x3002;
&#x7A0D;&#x540E;&#x6211;&#x4EEC;&#x4F7F;&#x7528;&#x5B83;&#x4EEC;&#x6765;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x65B0;&#x7C7B;&#xFF0C;&#x540C;&#x65F6;&#x5177;&#x6709;&#x8FD9;&#x4E24;&#x79CD;&#x529F;&#x80FD;&#x3002;</p>
<pre><code class="lang-ts"><span class="hljs-comment">// Disposable Mixin</span>
<span class="hljs-keyword">class</span> Disposable {
    isDisposed: <span class="hljs-built_in">boolean</span>;
    dispose() {
        <span class="hljs-keyword">this</span>.isDisposed = <span class="hljs-literal">true</span>;
    }

}

<span class="hljs-comment">// Activatable Mixin</span>
<span class="hljs-keyword">class</span> Activatable {
    isActive: <span class="hljs-built_in">boolean</span>;
    activate() {
        <span class="hljs-keyword">this</span>.isActive = <span class="hljs-literal">true</span>;
    }
    deactivate() {
        <span class="hljs-keyword">this</span>.isActive = <span class="hljs-literal">false</span>;
    }
}
</code></pre>
<p>&#x4E0B;&#x9762;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x7C7B;&#xFF0C;&#x7ED3;&#x5408;&#x4E86;&#x8FD9;&#x4E24;&#x4E2A;mixins&#x3002;
&#x4E0B;&#x9762;&#x6765;&#x770B;&#x4E00;&#x4E0B;&#x5177;&#x4F53;&#x662F;&#x600E;&#x4E48;&#x64CD;&#x4F5C;&#x7684;&#xFF1A;</p>
<pre><code class="lang-ts"><span class="hljs-keyword">class</span> SmartObject <span class="hljs-keyword">implements</span> Disposable, Activatable {
</code></pre>
<p>&#x9996;&#x5148;&#x5E94;&#x8BE5;&#x6CE8;&#x610F;&#x5230;&#x7684;&#x662F;&#xFF0C;&#x6CA1;&#x4F7F;&#x7528;<code>extends</code>&#x800C;&#x662F;&#x4F7F;&#x7528;<code>implements</code>&#x3002;
&#x628A;&#x7C7B;&#x5F53;&#x6210;&#x4E86;&#x63A5;&#x53E3;&#xFF0C;&#x4EC5;&#x4F7F;&#x7528;Disposable&#x548C;Activatable&#x7684;&#x7C7B;&#x578B;&#x800C;&#x975E;&#x5176;&#x5B9E;&#x73B0;&#x3002;
&#x8FD9;&#x610F;&#x5473;&#x7740;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x5728;&#x7C7B;&#x91CC;&#x9762;&#x5B9E;&#x73B0;&#x63A5;&#x53E3;&#x3002;
&#x4F46;&#x662F;&#x8FD9;&#x662F;&#x6211;&#x4EEC;&#x5728;&#x7528;mixin&#x65F6;&#x60F3;&#x907F;&#x514D;&#x7684;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x8FD9;&#x4E48;&#x505A;&#x6765;&#x8FBE;&#x5230;&#x76EE;&#x7684;&#xFF0C;&#x4E3A;&#x5C06;&#x8981;mixin&#x8FDB;&#x6765;&#x7684;&#x5C5E;&#x6027;&#x65B9;&#x6CD5;&#x521B;&#x5EFA;&#x51FA;&#x5360;&#x4F4D;&#x5C5E;&#x6027;&#x3002;
&#x8FD9;&#x544A;&#x8BC9;&#x7F16;&#x8BD1;&#x5668;&#x8FD9;&#x4E9B;&#x6210;&#x5458;&#x5728;&#x8FD0;&#x884C;&#x65F6;&#x662F;&#x53EF;&#x7528;&#x7684;&#x3002;
&#x8FD9;&#x6837;&#x5C31;&#x80FD;&#x4F7F;&#x7528;mixin&#x5E26;&#x6765;&#x7684;&#x4FBF;&#x5229;&#xFF0C;&#x867D;&#x8BF4;&#x9700;&#x8981;&#x63D0;&#x524D;&#x5B9A;&#x4E49;&#x4E00;&#x4E9B;&#x5360;&#x4F4D;&#x5C5E;&#x6027;&#x3002;</p>
<pre><code class="lang-ts"><span class="hljs-comment">// Disposable</span>
isDisposed: <span class="hljs-built_in">boolean</span> = <span class="hljs-literal">false</span>;
dispose: () =&gt; <span class="hljs-built_in">void</span>;
<span class="hljs-comment">// Activatable</span>
isActive: <span class="hljs-built_in">boolean</span> = <span class="hljs-literal">false</span>;
activate: () =&gt; <span class="hljs-built_in">void</span>;
deactivate: () =&gt; <span class="hljs-built_in">void</span>;
</code></pre>
<p>&#x6700;&#x540E;&#xFF0C;&#x628A;mixins&#x6DF7;&#x5165;&#x5B9A;&#x4E49;&#x7684;&#x7C7B;&#xFF0C;&#x5B8C;&#x6210;&#x5168;&#x90E8;&#x5B9E;&#x73B0;&#x90E8;&#x5206;&#x3002;</p>
<pre><code class="lang-ts">applyMixins(SmartObject, [Disposable, Activatable]);
</code></pre>
<p>&#x6700;&#x540E;&#xFF0C;&#x521B;&#x5EFA;&#x8FD9;&#x4E2A;&#x5E2E;&#x52A9;&#x51FD;&#x6570;&#xFF0C;&#x5E2E;&#x6211;&#x4EEC;&#x505A;&#x6DF7;&#x5165;&#x64CD;&#x4F5C;&#x3002;
&#x5B83;&#x4F1A;&#x904D;&#x5386;mixins&#x4E0A;&#x7684;&#x6240;&#x6709;&#x5C5E;&#x6027;&#xFF0C;&#x5E76;&#x590D;&#x5236;&#x5230;&#x76EE;&#x6807;&#x4E0A;&#x53BB;&#xFF0C;&#x628A;&#x4E4B;&#x524D;&#x7684;&#x5360;&#x4F4D;&#x5C5E;&#x6027;&#x66FF;&#x6362;&#x6210;&#x771F;&#x6B63;&#x7684;&#x5B9E;&#x73B0;&#x4EE3;&#x7801;&#x3002;</p>
<pre><code class="lang-ts"><span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">applyMixins</span>(<span class="hljs-params">derivedCtor: <span class="hljs-built_in">any</span>, baseCtors: <span class="hljs-built_in">any</span>[]</span>) </span>{
    baseCtors.forEach(baseCtor =&gt; {
        <span class="hljs-built_in">Object</span>.getOwnPropertyNames(baseCtor.prototype).forEach(name =&gt; {
            derivedCtor.prototype[name] = baseCtor.prototype[name];
        })
    });
}
</code></pre>

                                
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